We're not sure exactly what this person said to get this pop star so upset.

But whatever it was it provoked an AH-Mazing response!

Selena Gomez recently shared a screenshot of a comment she left on one person's wall, and it seems like that person had wished cancer upon someone.

Which Selena took great offense to, and decided to fight the bully with her intelligence. Which is always the best way to deal with bullies. Selena then shared what she said on her own Instagram. Here's what she said to the bully:

Justin Bieber's behavior over the last few months has been nothing short of questionable, and sadly, last night, he once again proved that he needs a serious reality check - and ASAP.

The pint-sized pop sensation is in Amsterdam this weekend for the latest leg of his Believe world tour, and last night, took a few friends and bodyguards for an after-hours tour of the Anne Frank House.

We doubt that many of you went through school without being required to read the brave young girl's diary, which she kept while she and other Jewish people hid in the attic for two years before eventually being caught and killed by Nazis, but apparently, the Biebs either missed it entirely or just couldn't be bothered to think outside the realm of himself for two minutes, as a spokesperson for the musuem revealed today:

Things between Angelina Jolie and her future mother-in-law, Jane Pitt, have been pretty frosty since Brad's mom openly condemned homosexuality and abortion in a letter to her local newspaper endorsing Mitt Romney's campaign for Presidency, but now, we have a feeling that things are going to get even WORSE!

That's right, Mama Pitt has apparently decided to go and buy her son and his betrothed a $130 Bible from Mardel Christian & Education…which has "Angelina" embossed across the cover!

Nicole Scherzinger has reportedly been left humiliated after her boyfriend, Lewis Hamilton, was spotted pAArtying it up with a group of TEN girls alongside rapper J Cole at his Mayfair Hotel room in London, last week…and she's apparently so upset she's ready to pull the plug on their relationship - for the second time!

A new Bill Cosby accuser's story of how he allegedly sexually assaulted her after drugging her drink is horrifying.

According to Patricia, -- who decided to keep her last name anonymous -- Bill invited her to a dinner party in 1978 after they met at a conference... a dinner party that ended up just being the two of them: